export default {
	namespaced: true,
	state: () => ({
		cart: JSON.parse(uni.getStorageSync('cart') || '[]')
	}),
	mutations: {
		addToCart(state,goods){
			const findResult = state.cart.find(x => x.goods_id === goods.goods_id)
			if(findResult) findResult.goods_count ++
			else state.cart.push(goods)
			this.commit('m_cart/saveToStorage')
		},
		updateGoodsState(state,goods){
			const findResult = state.cart.find(x => x.goods_id === goods.goods_id )
			if(findResult){
				findResult.goods_state = goods.goods_state
				this.commit('m_cart/saveToStorage')
			}
		},
		updateGoodsCount(state,goods){
			const findResult = state.cart.find(x => x.goods_id === goods.goods_id)
			if(findResult){
				findResult.goods_count = goods.goods_count
				this.commit('m_cart/saveToStorage')
			}
		},
		updateAllGoodsState(state, newState){
			state.cart.forEach(x => x.goods_state = newState)
			this.commit('m_cart/saveToStorage')
		},
		removeGoodsById(state,goodsId){
			state.cart = state.cart.filter(x => x.goods_id !== goodsId)
			this.commit('m_cart/saveToStorage')
		},
		saveToStorage(state){
			uni.setStorageSync('cart',JSON.stringify(state.cart))
		}
	},
	ations: {},
	getters: {
		total(state){
			return state.cart.reduce((sum,i) => sum + i.goods_count ,0)
		},
		checkedGoodsAmount(state){
			return state.cart.filter(x => x.goods_state).reduce((sum,i) => sum + i.goods_count * i.goods_price ,0).toFixed(2)
		},
		checkedCount(state){
			return state.cart.filter(x => x.goods_state).reduce((sum,i) => sum + i.goods_count ,0)
		}
	}
}